Submission #535833

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
535833	2022-03-11 13:05:56	perchuts	Love Polygon (BOI18_polygon)	C++17	75 / 100	307 ms	22604 KiB

polygon

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#include <bits/stdc++.h>
#define maxn (int)(1e5+51)
#define all(x) x.begin(), x.end()
#define sz(x) (int) x.size()
#define endl '\n'
#define ll long long
#define pb push_back
#define ull unsigned long long
#define ii pair<int,int>
#define iii tuple<int,int,int>
#define inf 2000000001
#define mod 1000000007 //998244353
#define _ ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
using namespace std;
template<typename X, typename Y> bool ckmin(X& x, const Y& y) { return (y < x) ? (x=y,1):0; }
template<typename X, typename Y> bool ckmax(X& x, const Y& y) { return (x < y) ? (x=y,1):0; }
map<string,int>mp;
int par[maxn], ans;
vector<int>g[maxn];
int vis[maxn], mark[maxn];
void dfs(int u, int p){
    ckmax(vis[u],1);
    for(auto v:g[u]){
        if(vis[v]!=2)dfs(v,u);
    }
 
 
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• Subtask 1: 21 / 21
• Subtask 2: 25 / 25
• Subtask 3: 29 / 29
• Subtask 4: 0 / 25